Upgrade your sonar system with Airmar’s premium in-hull CHIRP transducers. Choose the M135C-M for mid-depth, all-purpose scanning, or go with the M285C-HW for wide-angle, high-frequency clarity in shallow water. Designed for trailerable boats and available with Humminbird 14-pin or 9-pin Mix-N-Match cables.
CHIRP Options Overview
M135C-M – Medium CHIRP
Frequency Range: 85–135 kHz
Beamwidth: 24°–16°
Max Depth: 1,500 ft (457 m)
Output: 1 kW
Depth-only transducer
Urethane housing, liquid-filled
Adjustable deadrise: 2° to 20°
Perfect for fiberglass boats up to 25'
Includes: M135C transducer, M135 flange, MMC cable (14HB or HB)
M285C-HW – High-Wide CHIRP
Frequency Range: 150–250 kHz
Beamwidth: Fixed 25°
Max Depth: 700 ft (215 m)
Output: 1 kW
Depth-only transducer
Urethane housing, liquid-filled
Adjustable deadrise: 2° to 20°
Ideal for shallow/murky water with wide coverage
Includes: M285C-HW transducer, MMC cable (14HB or HB)